We are going to have an excursion to the organization "National Cultural Autonomy of Polish people in Russia". We will learn about Poland, ask our questions about Polish traditions, about Polish cuisine, we will see national costumes. It will help our team to take part in the festival of national cultures called "We are together" where our team will be presentING Polish culture. However everyone can join this excursion in order to broaden his or her horizons. That is very good only one grammatical error. PRESENTing Below I have made small changes to make it more natural to English speakers. We are going to organise an excursion to the organization "National Cultural Autonomy of Polish people in Russia". We will learn about Poland, ask questions about Polish traditions, Polish cuisine and we will see national costumes. It will help our team to take part in the festival of national cultures called "We are together". Where our team will be presentING Polish culture. However everyone can join this excursion in order to broaden his or her horizons. We are going to go on an excursion to the organization "National Cultural Autonomy of Polish people in Russia". We will learn about Poland, ask our questions about Polish traditions, about Polish cuisine, we will see national costumes. It will help our team to take part in the festival of national cultures called "We are together" where our team will be presentING Polish culture. However everyone can join this excursion in order to broaden his or her horizons. We will be organising a trip, to the organization "National Cultural Autonomy of Polish people in Russia". We will learn about Poland, ask our questions about Polish traditions, about Polish cuisine, we will see national costumes. It will help our team to take part in the festival of national cultures called "We are together" where our team will be presentING Polish culture. However everyone can join this excursion in order to broaden their horizons. 4 ways = same

It's very good- there are only two things I would change: "where our team will be present Polish culture. " - change to "where our team will present Polish culture" " everyone can join" - change to "anyone can join" - it sounds more natural

We are going to have an excursion to the organization "National Cultural Autonomy of Polish people in Russia". We will learn about Poland, ask our questions about Polish traditions, about Polish cuisine, and we will see national costumes. It will help our team to take part in the festival of national cultures called "We are together" where our team will be presenting Polish culture. However everyone can join this excursion in order to broaden his or her horizons.